TR = Tech Required, need this to build specific Wonder. Some don’t need any Tech to build.
OT = Obsolete Tech, at tech that matches or beats the Wonders bonus. Not all wonders are rendered useless with Technologies.

Apollo Program

Colosseum

Colossus of Rhodes

Cristo Redentor

East India Company

Eiffel Tower

Great Library of Alexandria

Great Pyramid
TR – Ceremonial Burial
OT – Monarchy
Gives access to all forms of Government raising multiple stats. One of the Best Wonders.

Great Wall
TR – Masonry
OT – Engineering
Forces all foes to make peace with you.

Hanging Gardens of Babylon
TR – Pottery
Raises Population in city built by 50%.

Highspeed Broadband
TR – Networking
Increases science output based on development of building in city. Raises culture growth depending on city size.